<?php
/**
 * A helper to validate items such as xml against xsd
 *
 * Magento
 *
 * NOTICE OF LICENSE
 *
 * This source file is subject to the Open Software License (OSL 3.0)
 * that is bundled with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://opensource.org/licenses/osl-3.0.php
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@magentocommerce.com so we can send you a copy immediately.
 *
 * DISCLAIMER
 *
 * Do not edit or add to this file if you wish to upgrade Magento to newer
 * versions in the future. If you wish to customize Magento for your
 * needs please refer to http://www.magentocommerce.com for more information.
 *
 * @copyright   Copyright (c) 2014 X.commerce, Inc. (http://www.magentocommerce.com)
 * @license     http://opensource.org/licenses/osl-3.0.php  Open Software License (OSL 3.0)
 */
namespace Magento\TestFramework\Utility;

class Validator
{
    /**
     * @param \DOMDocument $dom
     * @param $schemaFileName
     * @return array
     */
    public static function validateXml(\DOMDocument $dom, $schemaFileName)
    {
        libxml_use_internal_errors(true);
        $result = $dom->schemaValidate($schemaFileName);
        $errors = array();
        if (!$result) {
            $validationErrors = libxml_get_errors();
            if (count($validationErrors)) {
                foreach ($validationErrors as $error) {
                    $errors[] = "{$error->message} Line: {$error->line}\n";
                }
            } else {
                $errors[] = 'Unknown validation error';
            }
        }
        libxml_use_internal_errors(false);
        return $errors;
    }
}
